Movies, Television, and Radio In 1920, USDA used the newest media craze, the silent moving picture, to give ranchers the latest in screwworm prevention and treatment. Other movies, film clips, and radio and television spots followed.
In 1920, USDA used the newest media craze, the silent moving picture, to give ranchers the latest in screwworm prevention and treatment. Other movies, film clips, and radio and television spots followed.